Evidence map›Paper›PMID 42597524›Full record

ArticleArthroplasty today2026

Is It the Trunnion or Is It the Liner? Investigating Bilateral Dual-Mobility Constructs With Different Inner Femoral Head Compositions.

Gabrielle Dykhouse, Henry Somerby, Jonggu Shin, Ittai Shichman, Daniel Ramirez, Aarti Shenoy, Peter Sculco

Abstract readCase Reports
PubMed Full text at PMC Publisher
In one paragraph

Article in Arthroplasty today, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors.

Gabrielle DykhouseComplex Joint Reconstruction Center, Hospital for Special Surgery, New York, NY, USA.
Henry SomerbyComplex Joint Reconstruction Center, Hospital for Special Surgery, New York, NY, USA.
Jonggu ShinComplex Joint Reconstruction Center, Hospital for Special Surgery, New York, NY, USA.
Ittai ShichmanComplex Joint Reconstruction Center, Hospital for Special Surgery, New York, NY, USA.
Daniel RamirezHospital for Special Surgery, Department of Pathology, New York, NY, USA.
Aarti ShenoyHospital for Special Surgery, Department of Biomechanics, New York, NY, USA.
Peter SculcoComplex Joint Reconstruction Center, Hospital for Special Surgery, New York, NY, USA.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Dual-mobility designs aim to reduce dislocation with a dual head, creating a larger effective head size. However, concerns exist regarding corrosion from dissimilar metal interfaces. An 80-year-old female patient exhibited elevated cobalt (2.6 μg/L) and titanium (7.8 μg/L) but normal chromium (1.2 μg/L) levels after 5 years. She had staged bilateral total hip arthroplasty with identical modular liners, a 22 mm cobalt-chrome and a 28 mm ceramic head in the left and right hips, respectively. Magnetic resonance imaging showed left-sided ALTR. At revision, the trunnion and head showed gross corrosion. Biomechanical analysis confirmed trunnionosis of the 22-mm cobalt-chrome head without liner corrosion, suggesting dual mobility may increase the risk for trunnionosis at this size. This case highlights cobalt-chrome head risks and identifies trunnion corrosion as a cause of metallosis.

Indexed as

Case reportDual mobilityMetallosis

Identifiers

PMID42597524
PMCPMC13469805

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.